Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"het cao ngoc snippets" » "het van ngoc snippets", "het ma ngoc snippets", "het mai ngoc snippets", "he cao ngoc snippets", "het cho ngoc snippets", "chat cao ngoc snippets", "het cao ngoc slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("het cao ngoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("het cao ngoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( het cao ngoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("het cao ngoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.