Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cha tinh cua snippets" » "chau tinh cua snippets", "cham tinh cua snippets", "chai tinh cua snippets", "cha trinh cua snippets", "cha sinh cua snippets", "cha tinh chat 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: (((("cha tinh 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: (((("cha tinh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cha tinh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cha tinh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.