Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giu chan cho snippets" » "giu nhan cho snippets", "dieu chan cho snippets", "chu chan cho snippets", "giu chat cho snippets", "giu han cho snippets", "giu chuan chon 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: (((("giu chan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giu chan cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giu chan cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giu chan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.