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