Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van tinh son snippets" » "van tinh code snippets", "van thinh son snippets", "van minh son snippets", "ban tinh son snippets", "van tinh toan snippets", "van dinh so snippets", "van tinh hoc 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 tinh son 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 tinh son snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van tinh son snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van tinh son snippets"))) or ("locating bug core snippets"))*.