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