Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap cho du snippets" » "phap che du snippets", "phap chu du snippets", "phap chong du snippets", "phap cho cu snippets", "phap cho tu snippets", "phap cho duoc 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: (((("phap cho du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap cho du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap cho du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap cho du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.