Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bao nam he snippets" » "bo nam he snippets", "bao dam he snippets", "dao nam he snippets", "bao nam ha snippets", "bao nam hien snippets", "bao nam nghe 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: (((("bao nam he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bao nam he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bao nam he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bao nam he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.