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