Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu anh di snippets" » "thuy anh di snippets", "thu canh di snippets", "thu oanh di snippets", "thu danh di snippets", "thu xanh di snippets", "thu anh d 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: (((("thu anh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu anh di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu anh di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu anh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.