Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong du so snippets" » "muong du so snippets", "mong do so snippets", "song du so snippets", "mong duc so snippets", "mong duy so snippets", "mong tu so 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: (((("mong du 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: (((("mong du so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mong du so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong du so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.