Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc duoc che snippets" » "hoc nuoc che snippets", "hoa duoc che snippets", "hoc dung che snippets", "hoc duoc chat snippets", "hoc duong che snippets", "hoc duoc co 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: (((("hoc duoc che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc duoc che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc duoc che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc duoc che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.