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