Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sach doi hoi snippets" » "sach doi code snippets", "sach hoi hoi snippets", "sach moi hoi snippets", "sach dao hoi snippets", "sach doi thoi snippets", "sach doi voi snippets", "sach doi moi snippets"
"python using java snippets" » "python using data 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: (((("sach doi hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach doi hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( sach doi hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach doi hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.