Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van trinh da snippets" » "van trinh code snippets", "van thinh da snippets", "van tinh da snippets", "dan trinh da snippets", "van trinh dan snippets", "van trinh dao snippets", "van trinh do 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: (((("van trinh da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van trinh da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van trinh da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van trinh da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.