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