Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian tra hoc snippets" » "gian thai hoc snippets", "gian thua hoc snippets", "gian cua hoc snippets", "gian trac hoc snippets", "gian tri hoc snippets", "gian tru hoc 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: (((("gian tra hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian tra hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian tra hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian tra hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.