Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong hao le snippets" » "trong hai le snippets", "trong dao le snippets", "trong hoat le snippets", "trong ha le snippets", "trong ho le snippets"
"locating bug code snippets" » "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: (((("trong hao le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong hao le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong hao le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong hao le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.