Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thieu hao le snippets" » "thieu so le snippets", "thi hao le snippets", "thiet hai le snippets", "thieu ha le snippets", "thieu dao le snippets", "thieu 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: (((("thieu 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: (((("thieu hao le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thieu hao le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thieu hao le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.