Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van khong do snippets" » "van khong code snippets", "van phong do snippets", "van khang do snippets", "va khong do snippets", "van khong co snippets", "van khong lo snippets", "van khong de 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 khong do 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 khong do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van khong do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van khong do snippets"))) or ("locating bug core snippets"))*.