Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
thu sach » tu sach, thuat sach, thuoc sach
thi nang » thi cong, thi hanh
ki nang » ky nang
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
vai cua » hai cua, lai cua, bai cua
hieu ve » hieu va, hieu van
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((thi nang) or (ki nang)) xa hoi. hieu ve cham tuc va hanh ((vai cua) or (dai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((thi nang) OR (ki nang)) xa hoi. hieu ve cham tuc va hanh ((vai cua) OR (dai cua)) triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ((thi nang) or (ki nang)) xa hoi. hieu ve cham tuc va hanh ((vai cua) or (dai cua)) triet*.