Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac cho cong snippets" » "bac cao cong snippets", "bac cua cong snippets", "bac cac cong snippets", "bac ho cong snippets", "dac cho cong 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: (((("bac cho cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac cho cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac cho cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac cho cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.