Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"tran anh trac snippets" » "tran manh trac snippets", "tuan anh trac snippets", "tran thanh trac snippets", "tran sinh trac snippets", "tran anh tuan snippets", "tran anh thuc snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tran anh trac snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"tran anh trac snippets\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( tran anh trac snippets ) OR ( using java java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran anh trac snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))*.