Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc chat que snippets" » "hoc phat que snippets", "hoc cao que snippets", "hoc phan que snippets", "hoc chat huu snippets", "hoc chat cua snippets", "hoc nhat qua 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: (((("hoc chat que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc chat que snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc chat que snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc chat que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.