Perhaps you should try some spelling variations:
tang mai » tang ma, tang tai, lang mai
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
va xanh » va danh, va anh, va banh
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
san ky » sang ky, van ky, ban ky
ve cam » ve cham, ve cac, va cam
dan ky » van ky

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu ((san ky) OR (dan ky)) tang mai hoi. hieu ve cam xuc ((va xanh) or (va hanh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((san ky) OR (dan ky)) tang mai hoi. hieu ve cam xuc ((va xanh) OR (va hanh)) dai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((san ky) OR (dan ky)) tang mai hoi. hieu ve cam xuc ((va xanh) or (va hanh)) dai cua tre*".