Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc thu he snippets" » "duoc tu he snippets", "duong thu he snippets", "duoc thao he snippets", "duoc thu ha snippets", "duoc thu xe snippets", "duoc thu hien 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: (((("duoc thu he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc thu he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc thu he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc thu he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.