Perhaps you should try some spelling variations:
thong cua » thong quan, thong tu, huong cua
bang cong » dang cong, bang song, hang cong
cong tinh » cong trinh, cong vinh, long tinh
chi xanh » chi anh, chi danh, chi hanh
dung cua » dung luan
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 ((thong cua) or (((dung cua) or (dung cho)))) bang cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh ((thong cua) OR (((dung cua) OR (dung cho)))) bang cong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh ((thong cua) or (((dung cua) or (dung cho)))) bang cong tinh toan cao*.