Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che kinh doi snippets" » "che chinh doi snippets", "chuc kinh doi snippets", "nghe kinh doi snippets", "che tinh doi snippets", "che kinh do snippets", "che kinh doc 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: (((("che kinh 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: (((("che kinh doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che kinh doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che kinh doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.