Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong bach te snippets" » "dong bac te snippets", "dong cach te snippets", "song bach te snippets", "dong tach te snippets", "dong bach hue snippets", "dong bach thu 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: (((("dong bach te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong bach te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong bach te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong bach te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.