Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"cho tin java snippets" » "cho trinh java snippets", "cho think java snippets", "cho tin va snippets", "chon tin java snippets", "chi tin java snippets", "cho pin 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: (((("cho tin java snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"cho tin java snippets\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( cho tin java snippets ) OR ( using java java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho tin java snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))*.