Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
khong thong » thong thong, khong trong, thong thuong
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
hanh mang » nhanh mang, hanh trang, nhanh lang
cua khong » hua khong, cua phuong, cua thuong
thong tac » thong cac, tuong tac, thong tai
tran cau » tran chau, ran cau, tra cau
toan cau » toan cao, toan ban, toan tap

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 tinh - ((hanh mang) or (nhanh thang)) cua khong thong tac ((tran cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - ((hanh mang) OR (nhanh thang)) cua khong thong tac ((tran cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - ((hanh mang) or (nhanh thang)) cua khong thong tac ((tran cau) or (toan cau))*.