Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
trang tuan » tran tuan, trung tuan, trong tuan
nhung cong » dung cong, thong cong, nhung don
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hang cong » dang cong, hang nong, bang cong
hoc tieu » hoc thieu, hoc dieu, hoc sieu
toan tap » toan ban
toan cao » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tieu tinh - hanh trang tuan ((nhung cong) OR (hang cong)) dan ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tieu tinh - hanh trang tuan ((nhung cong) OR (hang cong)) dan ((toan tap) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tieu tinh - hanh trang tuan ((nhung cong) OR (hang cong)) dan ((toan tap) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc tieu tinh - hanh trang tuan ((nhung cong) OR (hang cong)) dan ((toan tap) or (toan cao))*.