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
chinh ca » chinh ta, chinh va, chinh tai
chinh su » hinh su, chinh phu, chinh ta
cong san » cong tac
san phan » san pham, van phan, sat 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: hoc thieu xanh - hanh ((chinh ca) or (chinh su)) thong cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((chinh ca) OR (chinh su)) thong cong san phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((chinh ca) or (chinh su)) thong cong san phan cau*.