Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kinh van cuc snippets" » "dinh van cuc snippets", "vinh van cuc snippets", "binh van cuc snippets", "kinh van duc snippets", "kinh van luc snippets", "kinh van cu 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: (((("kinh van cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kinh van cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kinh van cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kinh van cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.