Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh quang so snippets" » "anh xquang so snippets", "anh quan so snippets", "nhanh quang so snippets", "anh quang soi snippets", "anh 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: (((("anh 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: (((("anh quang so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh quang so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh quang so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.