Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh hang » thanh hang, hang hang, hanh han
cong manh » cong danh, duong manh, cong thanh
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
toan cao » toan ban, toan tap
toan tai » toan tap, doanh tai, 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: theo chu manh - hanh hang va nhung cong manh ((((toan cao) or (toan tai))) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu manh - hanh hang va nhung cong manh ((((toan cao) OR (toan tai))) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: theo chu manh - hanh hang va nhung cong manh ((((toan cao) or (toan tai))) or (van ban))*.