Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
thong cong » trong cong, tong cong, thong thong
lanh manh » lanh tranh, lan anh, van manh
cua thong » cua thuong, cua khong, cua tong
hieu van » hieu va, thien van, lieu va
manh cua » doanh cua, ban cua
cong tac » cong ty
than tap » toan tap, han tap, than cap
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thien ((hieu van) or (nhieu tang)) - lanh manh cua thong cong tac ((than tap) OR (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thien ((hieu van) OR (nhieu tang)) - lanh manh cua thong cong tac ((than tap) OR (phan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thien ((hieu van) or (nhieu tang)) - lanh manh cua thong cong tac ((than tap) OR (phan tap))".
• Adding a wildcard symbol may retrieve word variants: thien ((hieu van) or (nhieu tang)) - lanh manh cua thong cong tac ((than tap) OR (phan tap))*.