Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van kiem cau snippets" » "van kiem code snippets", "va kiem cau snippets", "van kien cau snippets", "van hieu cau snippets", "van diem cau snippets", "van liem chau snippets", "van khien cau snippets"
"python using java snippets" » "python using data snippets"

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

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