Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tot sang cua snippets" » "tot san cua snippets", "tot thang cua snippets", "bot san cua snippets", "tot mang cua snippets", "tot song cua snippets", "tot hang cua 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: (((("tot sang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tot sang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tot sang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tot sang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.