Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giap thi can snippets" » "gian thai can snippets", "giang thi can snippets", "tiep thi can snippets", "giap thi canh snippets", "giap thi lan snippets", "giap thi dan 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: (((("python using java snippets") or ("giap thi can snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("giap thi can snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( giap thi can snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("giap thi can snippets"))) or ("locating bug code snippets"))*.