Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huy vung cac snippets" » "huy vung code snippets", "huy vong cac snippets", "huy hung cac snippets", "huy duong cac snippets", "huy dung cac snippets", "huy luong cac snippets", "huy cuong cac 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: (((("huy vung cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huy vung cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( huy vung cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huy vung cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.