Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"nang du doc snippets" » "nang tu doc snippets", "nang luc doc snippets", "nang doc doc snippets", "nang duy doc snippets", "nang du hoc snippets", "nang nu doc 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: (((("using java code snippets") OR ("nang du doc snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( nang du doc snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("nang du doc snippets"))) or ("locating bugs code snippets"))*.