Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tao phuc cua snippets" » "tao phuc code snippets", "khao phuc cua snippets", "tao thuoc cua snippets", "dao phu cua snippets", "tao thuc cua snippets", "tao hoc cua snippets", "tao phuc vu snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

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