Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kham phan do snippets" » "kham pha do snippets", "phap phan do snippets", "dam phan do snippets", "kham phan bo snippets", "kham phan co snippets", "kham phan mo 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: (((("kham phan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kham phan do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kham phan do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kham phan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.