Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len su hoan snippets" » "len su han snippets", "len vu hoan snippets", "len thu hoan snippets", "leng su hoan snippets", "den su hoan snippets", "nen su hoan 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: (((("len su hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("len su hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len su hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len su hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.