Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hieu su hoi snippets" » "hieu su code snippets", "hieu sau hoi snippets", "tieu su hoi snippets", "hieu so hoi snippets", "hieu su choi snippets", "hieu su hai snippets", "hieu lu hoi 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: (((("hieu su 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: (((("hieu su hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hieu su hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu su hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.