Perhaps you should try some spelling variations:
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
luan hang » luan han, luan hung, luan tang
luan nang » luan van, van nang, luan san
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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 tang) OR (hanh mang)) ((luan hang) or (luan nang)) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - ((hanh tang) OR (hanh mang)) ((luan hang) OR (luan nang)) cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - ((hanh tang) OR (hanh mang)) ((luan hang) or (luan nang)) cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - ((hanh tang) OR (hanh mang)) ((luan hang) or (luan nang)) cong tac toan cau*.