Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"missing java java snippets" » "missing data java snippets", "using java java snippets"
"va truong bo snippets" » "va truong code snippets", "van truong bo snippets", "xa truong bo snippets", "va thuong bo snippets", "va truong cao snippets", "va truong dao 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 truong bo 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 truong bo snippets") OR ("missing java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( va truong bo snippets ) or ( missing java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va truong bo snippets") or ("missing java java snippets"))) or ("locating bug core snippets"))*.