Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khu vu hong snippets" » "khu vu code snippets", "khu vu cong snippets", "khu vu thuong snippets", "khu du phong snippets", "khu vuc hong snippets", "khu du hong snippets", "khu va hong 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: (((("khu vu hong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu vu hong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khu vu hong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu vu hong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.