Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van luoc can snippets" » "van luoc code snippets", "van loc can snippets", "van luc can snippets", "van duoc can snippets", "van luc canh snippets", "van hoc can snippets", "van luoc dai 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 luoc can 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 luoc can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van luoc can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van luoc can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.