Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong tinh » cong trinh, cong vinh, long tinh
chi xanh » chi anh, chi danh, chi hanh
mang qua » mang cua, nang quan, tang quan
mang vua » mang cua, mang va, hang va
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - hanh ((mang qua) or (mang vua)) nhung cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh ((mang qua) OR (mang vua)) nhung cong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh ((mang qua) or (mang vua)) nhung cong tinh toan cau*.