Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quang cao bo snippets" » "nang cao bo snippets", "quang nam bo snippets", "quang can bo snippets", "quang cac bo snippets", "quang nao bo 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: (((("quang cao bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quang cao bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quang cao bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quang cao bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.