Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day dang do snippets" » "da dang do snippets", "dai dang do snippets", "day dan do snippets", "day nang doc snippets", "day dung doi snippets", "day dang duc 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: (((("day dang 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: (((("day dang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day dang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.