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