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 raw slippers" » "vi trung tran slippers", "vi trung tam slippers", "vi trung cap slippers", "va trung raw slippers", "viet trung raw slippers", "vien trung raw slippers", "vi trung raw slippery", "vi trung raw 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 raw slippers") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"vi trung raw slippers\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( vi trung raw slippers ) OR ( using java java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vi trung raw slippers") OR ("using java java snippets"))) OR ("locating bug core snippets"))*.