Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huu hai doc snippets" » "huu hai code snippets", "huu han doc snippets", "huu tai doc snippets", "huu hanh doc snippets", "huu bai doc snippets", "huu hai huoc snippets", "huu than doc 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: (((("python using java snippets") or ("huu hai doc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("huu hai doc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( huu hai doc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("huu hai doc snippets"))) or ("locating bug core snippets"))*.