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