Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hien cap snippets" » "thi lien cap snippets", "thi huyen cap snippets", "thi hue cap snippets", "thi hien cac snippets", "thi hien cau snippets", "thi hien phap 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 hien cap 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 hien cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hien cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hien cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.