Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khu van cong snippets" » "khu van code snippets", "khu van dong snippets", "khu van phong snippets", "khu phan cong snippets", "khau van cong snippets", "khuc van cong snippets", "chu van cong snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("khu van cong 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 van cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khu van cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu van cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.