Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian thu hoi snippets" » "gian thua hoi snippets", "giang thu hoi snippets", "gian phu hoi snippets", "gian thu hoai snippets", "gian thu phoi snippets", "gian thu hai 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: (((("gian thu 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: (((("gian thu hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian thu hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian thu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.