Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"so thiet mo snippets" » "soc thiet mo snippets", "hoc thiet mo snippets", "hoa thiet mo snippets", "so thien mo snippets", "so thien moi snippets", "so thieu mot 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: (((("so thiet mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so thiet mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so thiet mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so thiet mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.