Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat du hoc snippets" » "hat dua hoc snippets", "hat dum hoc snippets", "hut du hoc snippets", "hat tu hoc snippets", "hat duoc 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: (((("hat du 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: (((("hat du hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat du hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat du hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.