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