Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hong han cho snippets" » "hong hanh cho snippets", "hong ha cho snippets", "hong van cho snippets", "hong hang cho snippets", "hong han che snippets", "hong san cho 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: (((("hong han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hong han cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong han cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.