Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lang chi cua snippets" » "lang chi code snippets", "lang chai cua snippets", "lang phi cua snippets", "lang chu cua snippets", "lang chi cuc snippets", "lang khi cua snippets", "lang cuoi 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: (((("lang chi 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: (((("lang chi cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lang chi cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang chi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.