Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi huu canh snippets" » "thi huu hanh snippets", "thi huu manh snippets", "thi huu anh snippets", "thi hue canh snippets", "thi thuy canh snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("thi huu canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi huu canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi huu canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi huu canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.