Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
theo chu » theo chieu, cho chu, chao chu
chu nang » chuc nang, chua nang, cuu nang
toan cao » toan ban, toan tap
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu nang - ((hanh tang) or (hanh mang)) va dung cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu nang - ((hanh tang) OR (hanh mang)) va dung cong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: theo chu nang - ((hanh tang) or (hanh mang)) va dung cong tinh toan cao*.