Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao chu cua snippets" » "dao chu code snippets", "dao phu cua snippets", "cao chu cua snippets", "dao cau cua snippets", "dao chuc cua snippets", "dao hu cua snippets", "dao chi 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 chu 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 chu cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao chu cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao chu cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.