Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
manh khong » manh phong, xanh khong, nganh khong
thuoc nang » thuoc dang, thuoc bang, thuoc khang
kieu tinh » lieu tinh, trieu tinh, diep tinh
nang cong » nang song, dang cong, bang cong
van thanh » ban thanh, van tuan
doc kieu » doc hieu, cac kieu, doc viet
ban hanh » ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc kieu tinh - manh khong thuoc nang cong ((van thanh) or (ban hanh)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc kieu tinh - manh khong thuoc nang cong ((van thanh) OR (ban hanh)) ban.
• Adding a wildcard symbol may retrieve word variants: doc kieu tinh - manh khong thuoc nang cong ((van thanh) or (ban hanh)) ban*.