Perhaps you should try some spelling variations:
tran thanh » ban thanh, van thanh, quan thanh
hien xanh » hien hanh, hien nhanh, chieu xanh
cua thong » cua thuong, cua khong, cua tong
thong tai » truong tai, hang tai, luong tai
hanh han » hanh nhan, hanh phan, hanh san
toan tap » toan ban
han cua » hang cua, nhan cua, than cua

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 xanh) or (tran thanh)) - hanh han cua thong ((thong tai) or (thong tin)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (tran thanh)) - hanh han cua thong ((thong tai) OR (thong tin)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (tran thanh)) - hanh han cua thong ((thong tai) or (thong tin)) toan tap*.