Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van giam doc snippets" » "van giam code snippets", "van giao doc snippets", "van giang doc snippets", "dan gian doc snippets", "van gian doc snippets", "van giam dau snippets", "van gian don 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 ("van giam 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 ("van giam doc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van giam doc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van giam doc snippets"))) or ("locating bug core snippets"))*.