Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim hoc doi snippets" » "kim ho doi snippets", "kim hoa doi snippets", "kim phuoc doi snippets", "kim hoc dai snippets", "kim hoc noi snippets", "kim hoc moi 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 hoc 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 hoc doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim hoc doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim hoc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.