Perhaps you should try some spelling variations:
"mon huong com snippets" » "ton thuong com snippets", "ban huong com snippets", "mai huong com snippets", "mon huong co snippets", "mon huong cuoc snippets", "mon thuong con snippets"
"dung java java snippets" » "dung va java 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: (((("mon huong com snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mon huong com snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mon huong com snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mon huong com snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.