Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"buoc lap cua snippets" » "buoc ap cua snippets", "buoc dau cua snippets", "duoc lam cua snippets", "buoc lai cua snippets", "buoc tap cua snippets", "buoc lam cua 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: (((("buoc lap cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("buoc lap cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( buoc lap cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("buoc lap cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.