Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hong va cua snippets" » "thong va cua snippets", "phong va cua snippets", "hong van cua snippets", "hong va chua snippets", "hong via cua snippets", "hong ca 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: (((("hong va cua 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 va cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong va cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong va cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.