Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tao hanh cua snippets" » "tao hanh code snippets", "dao hanh cua snippets", "bao hanh cua snippets", "tao anh cua snippets", "tao manh cua snippets", "tao hang cua snippets", "tao hanh sua 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: (((("tao hanh 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: (((("tao hanh cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tao hanh cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao hanh cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.