Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, cua huong
lanh manh » lanh tranh, lan anh, van manh
ca thuong » cao thuong, va thuong, cp thuong
theo chu » theo chieu, cho chu, chao chu
cong tac » cong ty
tac pham » thuc pham, san pham
pham cau » phan cau, 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 hien) or (theo chu)) xanh - lanh manh ((cua thuong) OR (ca thuong)) cong tac pham cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (theo chu)) xanh - lanh manh ((cua thuong) OR (ca thuong)) cong tac pham cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hien) or (theo chu)) xanh - lanh manh ((cua thuong) OR (ca thuong)) cong tac pham cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (theo chu)) xanh - lanh manh ((cua thuong) OR (ca thuong)) cong tac pham cau*.