Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cho van du snippets" » "cho van code snippets", "chao van du snippets", "chon van du snippets", "cho vay du snippets", "cho van duy snippets", "cho van dau snippets", "cho van de 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: (((("cho van du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho van du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cho van du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho van du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.