Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cua tre » cua te, cuu tre, cua triet
su sac » su sach, su cac, su xac
o lang » hoa lang, hoi lang
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac o lang xa hoi. hieu va cham tuc ((va danh) OR (va hanh)) va cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac o lang xa hoi. hieu va cham tuc ((va danh) OR (va hanh)) va cua tre*".