Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chiec ma cua snippets" » "chiec la cua snippets", "chiec mu cua snippets", "chien va cua snippets", "chiec ca cua snippets", "chiec manh cua snippets", "chiec mang 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: (((("chiec ma 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: (((("chiec ma cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chiec ma cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chiec ma cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.