Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"theo mau do snippets" » "tho mau do snippets", "theo dau do snippets", "theo chu do snippets", "theo cau do snippets", "theo mau 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: (((("theo mau do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("theo mau do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( theo mau do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("theo mau do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.