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