Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van bat cu snippets" » "van ban cu snippets", "van bao cu snippets", "van bac cu snippets", "van bat cua snippets", "van bat hu snippets", "van bat tu 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: (((("python using java snippets") or ("van bat cu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van bat cu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van bat cu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van bat cu snippets"))) or ("locating bug code snippets"))*.