Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giap hoc doi snippets" » "giup hoc doi snippets", "giap hoat doi snippets", "phap hoc doi snippets", "giap hoc dai snippets", "giap hoc noi snippets", "giap hoc moi 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: (((("giap hoc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giap hoc doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giap hoc doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giap hoc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.