Perhaps you should try some spelling variations:
hoang di » hoang dai, hoang de, hang di
ve triet » va trien, su triet
su sach » so sach, vu sach
nang co » nang cao, nang doc, nang noi
xuc van » luc van, vuc van, xuc ban
duc van » duc va, duc tan, duc manh
y nang » ky nang, ly nang, v nang
co hoi » co hoc, co loi
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
di ve » dai ve, de ve, do ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang co hoi. hieu ((ve cam) or (va cam)) ((xuc van) OR (duc van)) hoang di ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang co hoi. hieu ((ve cam) OR (va cam)) ((xuc van) OR (duc van)) hoang di ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang co hoi. hieu ((ve cam) or (va cam)) ((xuc van) OR (duc van)) hoang di ve triet*".