Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phoi cay so snippets" » "nuoi cay so snippets", "phoi tai so snippets", "cho cay so snippets", "phoi cay co snippets", "phoi cay mo snippets", "phoi cao 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: (((("phoi cay 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: (((("phoi cay so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phoi cay so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phoi cay so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.