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