Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hoa que snippets" » "thi hoan que snippets", "thi ha que snippets", "thi hong que snippets", "thi hoa qua snippets", "thi hoa hue snippets", "thi hon que 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: (((("thi hoa que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hoa que snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hoa que snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hoa que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.