Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, hieu ve
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
cau treo » cau theo, cau tren, cau triet
te sach » toc sach
ly nang » ky nang, ly hang, ly vang
cam luc » cam xuc, cau luc
y nang » ky nang, v nang, may nang
luc va » duc va, tuc va, loc va
vi cau » va cau, ve cau, di cau

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) OR (ly nang)) x ho. ((hieu van) or (lieu va)) cam luc va thanh vi cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (ly nang)) x ho. ((hieu van) OR (lieu va)) cam luc va thanh vi cau treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (ly nang)) x ho. ((hieu van) or (lieu va)) cam luc va thanh vi cau treo".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (ly nang)) x ho. ((hieu van) or (lieu va)) cam luc va thanh vi cau treo*.