Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"vi trung cap slippers" » "vi truong cao slippers", "vi trung tam slippers", "va trung cap slippers", "viet trung cap slippers", "vien trung cap slippers", "vi trung cap slippery", "vi trung cap grippers"

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

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