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