Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao chu cua snippets" » "chao chu cua snippets", "khao cuu cua snippets", "kham chua cua snippets", "khao chuc cua snippets", "khao hu cua snippets", "khao chi cua 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: (((("khao chu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khao chu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao chu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao chu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.