Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
trinh han » trinh quan
tinh vai » tinh va, tinh bai, tinh lai
tinh hai » tinh thai, tinh chat, thanh hai
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 - canh ((tinh vai) or (((tinh hai) or (trinh han)))) thong cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh ((tinh vai) OR (((tinh hai) OR (trinh han)))) thong cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh ((tinh vai) or (((tinh hai) or (trinh han)))) thong cong dan chan cau*.