Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"de tang deu snippets" » "de tang du snippets", "de dang dieu snippets", "de tang hieu snippets", "le tang deu snippets", "de dang deu snippets", "do tang deu 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: (((("de tang deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("de tang deu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( de tang deu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("de tang deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.