Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh vai » danh sai, danh va, doanh van
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
sach ly » sach lo, sach ty, sach hay
vai cua » dai cua, hai cua, lai cua
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((sach ly) OR (sach y)) nang x hoi. hieu vu cham ((xuc va) or (luc va)) danh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((sach ly) OR (sach y)) nang x hoi. hieu vu cham ((xuc va) OR (luc va)) danh vai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((sach ly) OR (sach y)) nang x hoi. hieu vu cham ((xuc va) or (luc va)) danh vai cua triet*".