Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat dam choi snippets" » "hat dam cuoi snippets", "hat nam chi snippets", "hat dam thi snippets", "hat dan choi snippets", "hat dao choi snippets", "hat dum choi 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 dam choi 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 dam choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat dam choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat dam choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.