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