Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nganh chau » canh chau, doanh chau, nganh che
tieu tinh » trieu tinh, tieu trinh, lieu tinh
cac nganh » hoc nganh
vat hang » van hang, va hang, mat hang
dat hang » dat khanh, dat quang, tat thang
dong cac » duong cac, dong bac, dung cac

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 tinh - hanh trinh ((vat hang) or (dat hang)) dong cac nganh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - hanh trinh ((vat hang) OR (dat hang)) dong cac nganh chau.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh trinh ((vat hang) or (dat hang)) dong cac nganh chau*.