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