Perhaps you should try some spelling variations:
thanh tung » thanh cong
thong den » thong dien, thong dan, tuong den
doc hieu » hoc thieu, hoc hien
cua tong » cua cong, cua dong, cua song
cua nong » cua cong, cuu nong, cua dong
den phan » dien phan, dan phan, de phan
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: ((doc hieu) or (toc thieu)) xanh - thanh tung ((cua tong) OR (cua nong)) thong den phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) xanh - thanh tung ((cua tong) OR (cua nong)) thong den phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (toc thieu)) xanh - thanh tung ((cua tong) OR (cua nong)) thong den phan cau".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (toc thieu)) xanh - thanh tung ((cua tong) OR (cua nong)) thong den phan cau*.