Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van nhat de snippets" » "van nhat code snippets", "van chat de snippets", "van phat de snippets", "van nhan de snippets", "van nhat ve snippets", "van nhat le snippets", "van chat deo 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 nhat de 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 nhat de snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van nhat de snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van nhat de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.