Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong tao hoi snippets" » "dong tai hoi snippets", "dong dao hoi snippets", "dong bao hoi snippets", "dong tao khoi snippets", "dong tao boi snippets", "dong tay hoi 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: (((("dong tao hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tao hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong tao hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tao hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.