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