Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
cua triet » cua viet, su triet, va triet
dang xay » dang van, van xay
nang xa » nang x, lang xa, nang ma
lanh ky » hanh ky, nganh ky, thanh ky
hanh va » hang va, hanh vi
va thac » van thac, va thuc, va tac
toc ta » toc tay, toc thai
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat lanh ky ((nang xa) or (dang xay)) hoi. lieu va thac ((hoc va) or (toc ta)) hanh va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh ky ((nang xa) OR (dang xay)) hoi. lieu va thac ((hoc va) OR (toc ta)) hanh va cua triet.
• Adding a wildcard symbol may retrieve word variants: thuat lanh ky ((nang xa) or (dang xay)) hoi. lieu va thac ((hoc va) or (toc ta)) hanh va cua triet*.