Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tuan vai » tuan tai, trang vai, tuan khai
van tuan » van quan, van ban, anh tuan
van lam » van nam
vai cua » dai cua, hai cua, lai cua
duc van » duc va, duc tan, duc manh
te sach » toc sach
ty nang » ky nang, ty hang, ly nang
van cam » van nam, van cau, van dam

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) or (ty xang)) xa hoi. hieu ((van cam) or (van lam)) duc van tuan vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty nang) OR (ty xang)) xa hoi. hieu ((van cam) OR (van lam)) duc van tuan vai cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ((ty nang) or (ty xang)) xa hoi. hieu ((van cam) or (van lam)) duc van tuan vai cua triet*.