Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"thi trinh duoc slippers" » "thi trinh doc slippers", "thi trinh duc slippers", "thi trinh quoc slippers", "tho trinh duoc slippers", "thi thanh duoc slippers", "thi minh duoc slippers", "thi trinh duoc slippery", "thi trinh duoc grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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 code snippets") or ("thi trinh duoc slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("thi trinh duoc slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( thi trinh duoc slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("thi trinh duoc slippers"))) or ("locating bug code snippets"))*.