Perhaps you should try some spelling variations:
phuong van » phung van, phong van, phuong lan
tieu xanh » tieu danh, chieu xanh, dieu hanh
canh tinh » hanh tinh, manh tinh, canh tranh
van phan » van phong, van thanh, luan phan
phan dau » phan tu, hang dau
tinh va » tich va, trinh van, trinh vat
va bang » va nang, va lang, va ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - canh tinh va bang phuong van phan dau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - canh tinh va bang phuong van phan dau*.