Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
hien lang » hieu lang, tien lang, hien trang
cua thong » cua thuong, cua khong, suat thong
nhanh cau » nhanh cay, thanh chau, nhanh ha
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan tu

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 lang - thanh tuong ((cua thong) OR (cua tong)) cong dan ((nhanh cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien lang - thanh tuong ((cua thong) OR (cua tong)) cong dan ((nhanh cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien lang - thanh tuong ((cua thong) OR (cua tong)) cong dan ((nhanh cau) or (phan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc hien lang - thanh tuong ((cua thong) OR (cua tong)) cong dan ((nhanh cau) or (phan cau))*.