Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao vang cua snippets" » "dao vang code snippets", "dao van cua snippets", "dao vung cua snippets", "dao khang cua snippets", "dao mang cua snippets", "dao hang cua snippets", "dao tang cua 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 vang 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 vang cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao vang cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao vang cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.