Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao phuc cua snippets" » "dao phuc code snippets", "dao phu cua snippets", "do phuc cua snippets", "khao phuc cua snippets", "dao thuc cua snippets", "dao hoc cua snippets", "dao 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: (((("dao 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: (((("dao phuc cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao phuc cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao phuc cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.