Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
phuong cung » phuong dung, phuong duong, phuong luong
chinh ban » chinh bao, chinh can, chinh ngan
chinh va » chinh ta, chinh tai, hanh va
cung tan » cung than, cong tan, cung ta
tan toan » tan tran, tap toan, van toan
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: toc thieu khang - hanh ((chinh ban) or (chinh va)) phuong cung tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu khang - hanh ((chinh ban) OR (chinh va)) phuong cung tan toan cao.
• Adding a wildcard symbol may retrieve word variants: toc thieu khang - hanh ((chinh ban) or (chinh va)) phuong cung tan toan cao*.