Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
thong cong » trong cong, tong cong, thong thong
hien hanh » dieu hanh
trang cua » tranh cua, tang cua, trung cua
cua thong » cua thuong, cua khong, cua tong
hieu cac » hieu luc, hieu va, hieu van
cong anh » cong danh, dong anh, hong anh
tuan cao » toan cao, juan cao, quang cao
hieu ca » hieu cua, hieu va, hieu xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hieu ca) OR (hieu cac))) or (hien hanh)) - hanh trang cua thong cong anh tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu ca) OR (hieu cac))) OR (hien hanh)) - hanh trang cua thong cong anh tuan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hieu ca) OR (hieu cac))) or (hien hanh)) - hanh trang cua thong cong anh tuan cao*".