Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc li cong snippets" » "hoc bi cong snippets", "hoc li song snippets", "hoc lieu cong snippets", "hoc ki cong snippets", "hoc ly cong snippets", "hoc ii 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: (((("python using java snippets") or ("hoc li cong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hoc li cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoc li cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoc li cong snippets"))) or ("locating bug code snippets"))*.