Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vu duong che snippets" » "vu duong code snippets", "vu dong che snippets", "vu dung che snippets", "vu luong che snippets", "va duong che snippets", "van duong che snippets", "cau duong che snippets"
"using java java snippets" » "using data 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: (((("using java java snippets") OR ("vu duong che snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java java snippets\") OR (\"vu duong che snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( using java java snippets ) OR ( vu duong che snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") OR ("vu duong che snippets"))) OR ("locating bug core snippets"))*.