Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son dong hoc snippets" » "song dong hoc snippets", "son doong hoc snippets", "son duong hoc snippets", "son dong co snippets", "son dong luc 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: (((("son dong 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: (((("son dong hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son dong hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son dong hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.