Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sat quang so snippets" » "dat quang so snippets", "chat quang so snippets", "nhat quang so snippets", "sat quang soi snippets", "sat quan so snippets", "sat quang do 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: (((("sat quang so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sat quang so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sat quang so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sat quang so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.