Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tat gian hoi snippets" » "tran gian hoi snippets", "dan gian hoi snippets", "tat tien hoi snippets", "tat gian thai snippets", "tat gian ha snippets", "tat gian o 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: (((("tat gian hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tat gian hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tat gian hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat gian hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.