Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bich mau do snippets" » "bich ma do snippets", "tich mau do snippets", "bach mai do snippets", "bich cau do snippets", "bich dau do snippets", "bich 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: (((("bich 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: (((("bich mau do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bich mau do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bich mau do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.