Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim hoat doi snippets" » "kim hoa doi snippets", "kim loai doi snippets", "gia hoat doi snippets", "kim hat doi snippets", "kim hoat dong 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: (((("kim hoat doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kim hoat doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim hoat doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim hoat doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.