Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
thieu xanh » chieu xanh, hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
thong qua » thong quan, thong cua, thong tu
qua trinh » qua kinh
thanh cau » thanh chau, thanh mau, thanh ca
nhanh cau » nhanh cay, thanh chau, nhanh ha
dung van » duong van, dung va, dang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (thien danh)) - thanh thong qua trinh dung van ((thanh cau) OR (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien danh)) - thanh thong qua trinh dung van ((thanh cau) OR (nhanh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien danh)) - thanh thong qua trinh dung van ((thanh cau) OR (nhanh cau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien danh)) - thanh thong qua trinh dung van ((thanh cau) OR (nhanh cau))*.