Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
thu nang » thu hang, thu bang, tho nang
thi nang » thi cong, ki nang, thi hanh
van hanh » van thanh, ban hanh, van anh
cuu tre » cua tre, cau treo
hanh di » hanh vi, hanh de, hang di
tuc van » thuc van, truc van, tuc va
vu sach » vu bach, su sach, vu khach
dau tuc » dau tu, dao tuc, cau truc
ma hoi » mai hoi, xa hoi, ma hoa
va dau » va dao

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)) ma hoi. lieu va dau tuc van hanh di ((cuu tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((thu nang) OR (thi nang)) ma hoi. lieu va dau tuc van hanh di ((cuu tre) OR (cau tren))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((thu nang) OR (thi nang)) ma hoi. lieu va dau tuc van hanh di ((cuu tre) or (cau tren))*".