Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van tham voi snippets" » "van tham code snippets", "van thanh voi snippets", "van tuan voi snippets", "van chat voi snippets", "van cham voi snippets", "van pham voi snippets", "van than voi 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 tham voi 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 tham voi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van tham voi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van tham voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.