Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai van que snippets" » "dao van que snippets", "dai han que snippets", "dai va que snippets", "dai van quy snippets", "dai van due snippets", "dai van hue 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: (((("dai van que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai van que snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai van que snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai van que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.