Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
va kinh » va tinh, qua kinh
ve cam » ve cham, ve cac, va cam
luc va » duc va, tuc va, loc va
te cua » tue cua, le cua, de cua
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: te sach ty nang x hoi. hieu ((ve cam) or (va cac)) luc va kinh te cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang x hoi. hieu ((ve cam) OR (va cac)) luc va kinh te cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang x hoi. hieu ((ve cam) or (va cac)) luc va kinh te cua triet*.