Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"soan lai cua snippets" » "son la cua snippets", "toan lao cua snippets", "con lai cua snippets", "soan dai cua snippets", "soan hai cua snippets", "soan lai chau 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: (((("soan lai 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: (((("soan lai cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( soan lai cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("soan lai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.