Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hieu hoa dat snippets" » "tieu hoa dat snippets", "dieu hoa dat snippets", "hiep hoa dat snippets", "hieu hoa dan snippets", "hieu hoa dai snippets", "hieu hoc dat 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 hoa dat 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 hoa dat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hieu hoa dat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu hoa dat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.