Perhaps you should try some spelling variations:
hien trang » huyen trang, mien trung, bien trong
hanh trinh » canh tranh, hanh chinh
duong sinh » duong minh, duong manh, trong sinh
dieu lang » hieu lang, dieu trang, dieu hanh
sinh toan » tinh toan, hinh toan, minh toan
toan cao » toan ban, toan tap
va hang » van hang, va nang, va hanh
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: moi ((dieu lang) or (hien trang)) - hanh trinh ((va hang) or (va lang)) duong sinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: moi ((dieu lang) OR (hien trang)) - hanh trinh ((va hang) OR (va lang)) duong sinh toan cao.
• Adding a wildcard symbol may retrieve word variants: moi ((dieu lang) or (hien trang)) - hanh trinh ((va hang) or (va lang)) duong sinh toan cao*.