Perhaps you should try some spelling variations:
thien van » thi van
van thanh » ban thanh, van tuan
hieu van » hieu va, lieu va, hieu ve
than cua » nhan cua, thai cua, ban cua
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
cam duc » cam xuc, cao duc, pham duc
duc van » duc va, duc tan, duc manh
su sai » su tai, su hai, su dai
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky lang xa hoi. ((hieu van) OR (thien van)) cam duc van thanh ((than cua) or (tai cuc)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky lang xa hoi. ((hieu van) OR (thien van)) cam duc van thanh ((than cua) OR (tai cuc)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ky lang xa hoi. ((hieu van) OR (thien van)) cam duc van thanh ((than cua) or (tai cuc)) tre*".