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