Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
lang va » lang van, hang va, lang ha
va lang » va nang, hoa lang
su sach » so sach, vu sach
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
ma hoi » mai hoi, ma hoa, me hoi
ve cam » ve cham, ve cac, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang ((ma hoi) or (xa hoi)). hieu ((ve cam) or (va cam)) tuc va lang va su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ((ma hoi) OR (xa hoi)). hieu ((ve cam) OR (va cam)) tuc va lang va su triet.
• Adding a wildcard symbol may retrieve word variants: su sach y nang ((ma hoi) or (xa hoi)). hieu ((ve cam) or (va cam)) tuc va lang va su triet*.