Perhaps you should try some spelling variations:
"va hang cong snippets" » "va hang code snippets", "va dang cong snippets", "va hang nong snippets", "va thanh cong snippets", "van hang cong snippets", "va nang cong snippets", "va lang cong snippets"
"locating bug core snippets" » "locating bug code snippets"
"missing java java snippets" » "missing data java snippets", "using java java snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("va hang cong snippets") or ("missing java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va hang cong snippets") OR ("missing java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( va hang cong snippets ) or ( missing java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va hang cong snippets") or ("missing java java snippets"))) or ("locating bug core snippets"))*.