Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac hoc mo snippets" » "cach hoc mo snippets", "cac hop mo snippets", "bac hoc mo snippets", "cac hoc moi snippets", "cac hoc mot snippets", "cac hoc mon 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: (((("cac hoc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac hoc mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac hoc mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac hoc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.