Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi kinh mon snippets" » "tri kinh mon snippets", "thi minh mon snippets", "thi hinh mon snippets", "thi dinh moi snippets", "thi kinh hoc snippets", "thi kinh co 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 kinh mon 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 kinh mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi kinh mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi kinh mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.