Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua van son snippets" » "cua van code snippets", "cua ban son snippets", "cua dan son snippets", "cua vat son snippets", "cua van dong snippets", "cua van cong snippets", "cua van sung 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: (((("cua van son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua van son snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cua van son snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua van son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.