Perhaps you should try some spelling variations:
van khang » van khanh, van thanh, van quang
mai khoi » mai khoa, tai khoa, cac khoi
khang ki » khang vi, khang voi, khang kho
te sach » toc sach
mai hoi » dai hoi, lai hoi, mai doi
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
su viet » so viet
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
ve cam » ve cham, ve cac, va cam
ki su » ky su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach v nang ((mai hoi) OR (mai khoi)). hieu ve cam xuc van khang ki su viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang ((mai hoi) OR (mai khoi)). hieu ve cam xuc van khang ki su viet".
• Adding a wildcard symbol may retrieve word variants: te sach v nang ((mai hoi) OR (mai khoi)). hieu ve cam xuc van khang ki su viet*.