Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuang tu so snippets" » "chung tu so snippets", "chuang yu so snippets", "chung ta so snippets", "chuang tru so 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: (((("chuang tu so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuang tu so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuang tu so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuang tu so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.