Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hang » van khang, van hoang, van thang
cham tuc » nham thuc, pham thuc, tham thuc
thi nang » thi cong, thi hanh
thu nang » thu hang, thu bang, tho nang
ki nang » ky nang
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tuc van » thuc van, truc van, tuc va
hang di » hang doi, hang vi, hang dien
vu sach » vu bach, su sach, vu khach
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ((thu nang) or (((thi nang) OR (ki nang)))) xa hoi. hieu ve cham tuc van hang di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((thu nang) OR (((thi nang) OR (ki nang)))) xa hoi. hieu ve cham tuc van hang di cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((thu nang) or (((thi nang) OR (ki nang)))) xa hoi. hieu ve cham tuc van hang di cua triet*".