Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van tin ca snippets" » "van tien ca snippets", "van tan ca snippets", "van thinh ca snippets", "van tinh ca snippets", "van tin cac snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van tin ca snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( van tin ca snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van tin ca snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.