Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van thinh da snippets" » "van thinh code snippets", "van thanh da snippets", "van chinh da snippets", "van minh da snippets", "van tinh da snippets", "van trinh da snippets", "van thinh ha 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: (((("van thinh 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 thinh da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van thinh da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van thinh da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.