Perhaps you should try some spelling variations:
ngang thinh » nang thanh, nang thich, nganh thanh
manh thinh » manh tinh, hanh chinh, hanh trinh
cong ngang » cong nhan, cong quang, cong lang
doi chieu » doc hieu, doi chi, mot chieu
thinh dat » thanh dat, chinh dat, thinh doan
dung cong » dung trong
dat dung » dan dung, vat dung, da dung
thinh ca » tinh ca, chinh ca, thanh ca

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) or (doi chieu)) tinh - manh thinh dat dung cong ngang thinh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (doi chieu)) tinh - manh thinh dat dung cong ngang thinh ca.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (doi chieu)) tinh - manh thinh dat dung cong ngang thinh ca*.