Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tam phan do snippets" » "tam than do snippets", "dam phan do snippets", "tam phat do snippets", "tam phan bo snippets", "tam phan co snippets", "tam phan mo 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: (((("tam phan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tam phan do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tam phan do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tam phan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.