Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son le canh snippets" » "son le anh snippets", "son le manh snippets", "son ve canh snippets", "son la canh snippets", "hon le canh 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: (((("son le canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son le canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son le canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son le canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.