Perhaps you should try some spelling variations:
nang dai » nang dau, nang tai, lang dai
te sach » toc sach
luc van » luoc van, luu van, duc van
hang di » hang doi, hang vi, hang dien
hang de » hoang de, hanh de, hang ke
cua tuc » cua duc, cua tu, cua thuoc
xuc van » duc van, vuc van, xuc ban
hieu ve » hieu va, hieu van
dai hoi » dai hoc, dai hai, dai moi
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac

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 y nang dai hoi. hieu ve cac ((xuc van) or (luc van)) ((hang de) OR (hang di)) cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang dai hoi. hieu ve cac ((xuc van) OR (luc van)) ((hang de) OR (hang di)) cua tuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang dai hoi. hieu ve cac ((xuc van) or (luc van)) ((hang de) OR (hang di)) cua tuc".
• Adding a wildcard symbol may retrieve word variants: te sach y nang dai hoi. hieu ve cac ((xuc van) or (luc van)) ((hang de) OR (hang di)) cua tuc*.