Perhaps you should try some spelling variations:
nhanh manh » nhanh mang, nhanh thanh, nhanh tinh
theo phap » thi phap
phap tang » phap nang, phap tieng
trinh dan » trinh han, trinh san, trinh da
manh cua » doanh cua, ban cua
dan toan » van toan, dan than, manh 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 phap tang - nhanh manh cua cong trinh dan toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo phap tang - nhanh manh cua cong trinh dan toan cau*.