Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tam van cham snippets" » "tam van chat snippets", "tam van tham snippets", "tam va cham snippets", "nam van cham snippets", "dam van cham snippets", "tom van cham 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: (((("tam van cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tam van cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tam van cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tam van cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.