Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
toc chieu » toc thieu, doc hieu, hoc thieu
trinh vat » trinh van, trinh luat, sinh vat
vat thong » va thong, vat trong, mat thong
dan toan » van toan, dan than, manh toan
van tuan » van ban, anh tuan
van quan » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu tinh - hanh trinh vat thong cong ((dan toan) or (((van tuan) or (van quan)))) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu tinh - hanh trinh vat thong cong ((dan toan) OR (((van tuan) OR (van quan)))) ban.
• Adding a wildcard symbol may retrieve word variants: toc chieu tinh - hanh trinh vat thong cong ((dan toan) or (((van tuan) or (van quan)))) ban*.