Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van nhan doc snippets" » "van nhan code snippets", "van phan doc snippets", "van thanh doc snippets", "danh nhan doc snippets", "van nhan duoc snippets", "van nhanh doc snippets", "van than doc 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 nhan 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 nhan doc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van nhan doc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van nhan doc snippets"))) or ("locating bug core snippets"))*.