Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sao cac hoc snippets" » "sat cac hoc snippets", "tao cac hoc snippets", "sao cach hoc snippets", "sao cac hop snippets", "sao bac 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: (((("sao cac 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: (((("sao cac hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sao cac hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sao cac hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.