Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh thai » anh thai, dang thai, dinh thai
thai cua » than cua, tai cuc, tri cua
cham luc » cham soc, nhan luc, cham cuu
lang van » dang van, tang van, hoang van
va danh » va dinh, va dan, va hanh
hieu va » hieu qua
lang xa » lang ha, dang xay
sac ky » cac ky, sai ky
luc va » duc va, tuc va, loc va
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky ((lang xa) OR (lang van)) hoi. ((hieu va) or (lieu va)) cham luc va danh thai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((lang xa) OR (lang van)) hoi. ((hieu va) OR (lieu va)) cham luc va danh thai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky ((lang xa) OR (lang van)) hoi. ((hieu va) or (lieu va)) cham luc va danh thai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sac ky ((lang xa) OR (lang van)) hoi. ((hieu va) or (lieu va)) cham luc va danh thai cua triet*.