Perhaps you should try some spelling variations:
luc nhan » luc nhat, cu nhan, tue nhan
cau tren » cu tren, dau tren, ca tren
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu va » lieu va, hieu qua
cac luc » cau luc, coc luc, cac nuoc
hang ve » hang va, hanh ve, hang vi
hang ke » thong ke, hanh kem, nhung ke
x hoi » xa hoi, o hoi, x ho

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 ty nang x hoi. hieu va cac luc nhan ((hang ve) OR (hang ke)) cau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang x hoi. hieu va cac luc nhan ((hang ve) OR (hang ke)) cau tren".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang x hoi. hieu va cac luc nhan ((hang ve) OR (hang ke)) cau tren*.