Perhaps you should try some spelling variations:
"thi toan ham slippers" » "thi toan ham slices", "thi tran ham slippers", "thi hoan ham slippers", "thi loan ham slippers", "thi toan nham slippers", "thi toan dam slippers", "thi toan bam slippers"
"python using java snippets" » "python using data 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 toan ham slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi toan ham slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi toan ham slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi toan ham slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.