Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vuong le ho snippets" » "xuong len ho snippets", "vuong qh ho snippets", "trong le ho snippets", "vuong le hoi snippets", "vuong te ho snippets", "vuong le co 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: (((("vuong le ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vuong le ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vuong le ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vuong le ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.