Perhaps you should try some spelling variations:
luat nhung » luat chung, luat thuong, thuat nhung
canh trinh » canh tranh, hanh trinh, anh trinh
hoc thien » hoc hien, hoc thieu, hoc thiet
thien anh » thien danh, tien anh, thien thanh
canh tinh » hanh tinh, manh tinh, canh tranh
pham cac » phan cac, pham ca, pham can

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien anh - ((canh trinh) OR (canh tinh)) luat nhung ((cong tac) or (cong ty)) pham cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien anh - ((canh trinh) OR (canh tinh)) luat nhung ((cong tac) OR (cong ty)) pham cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien anh - ((canh trinh) OR (canh tinh)) luat nhung ((cong tac) or (cong ty)) pham cac".
• Adding a wildcard symbol may retrieve word variants: hoc thien anh - ((canh trinh) OR (canh tinh)) luat nhung ((cong tac) or (cong ty)) pham cac*.